21066870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63839}}^1$

素因数の和:63860

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 34090890

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63839, 127678, 191517, 319195, 383034, 638390, 702229, 957585, 1404458, 1915170, 2106687, 3511145, 4213374, 7022290, 10533435, 21066870]

約数ペア:

[(1, 21066870), (2, 10533435), (3, 7022290), (5, 4213374), (6, 3511145), (10, 2106687), (11, 1915170), (15, 1404458), (22, 957585), (30, 702229), (33, 638390), (55, 383034), (66, 319195), (110, 191517), (165, 127678), (330, 63839)]